Bit Switches 
SM 121 D361 
Fax Option 
Type 3350 
D361 
4.3.9  IP FAX SWITCHES 
 
IP Fax Switch 00 (SP No. 1-111-001) 
No.  Function  Comments 
0  Not used    Do not change this setting. 
1 
IP Fax Transport 
0: TCP, 1: UDP 
Selects TCP or UDP protocol for IP-Fax 
2 
IP Fax single port selection 
0: OFF, 1: ON (enable) 
Selects single data port. 
3 
IP Fax double ports (single data 
port) selection 
0: OFF, 1: ON (enable) 
Selects whether IP-Fax uses a double port. 
4 
IP Fax Gatekeeper   
0: OFF, 1: ON (enable) 
Enables/disables the gatekeeper for IP-Fax.
5 
IP Fax T30 bit signal reverse 
0: LSB first, 1: MSB first 
Reverses the T30 bit signal. 
6 
IP Fax max bit rate setting 
0: Not affected, 1: Affected 
When "0" is selected, the max bit rate does 
not affect the value of the DIS/DCS. 
When "1" is selected, the max bit rate 
affects the value of the DIS/DCS. 
7 
IP Fax received telephone number 
confirmation 
0: No confirmation, 1: Confirmation 
When "0" is selected, fax data is received 
without checking the telephone number. 
When "1" is selected, fax data is received 
only when confirming that the telephone 
number from the sender matches the 
registered telephone number in this 
machine. If this confirmation fails, the line is 
disconnected.